"When gullible news outlets unquestioningly cite people from the same enviro--activist clique every time, failing to realise they could win Pulitzers if they turned the tables on sources of smear material, and when they egregiously allow members of that clique to be labelled as 'reporters', this all invites one more 'Sharptonism' to be applied to mainstream media." Russell Cook describes on the Heartland Institute (US) blog how media have allowed themselves to be manipulated by warmist propagandists.